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    <title>Document</title>
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    <script>
        //const 常量 （值不能被修改的变量才叫做常量）
        //const 潜规则 声明形式除了声明的类型为函数 fn外 必须全部大写
        const SCHOOL = "KW06金语老师最帅"
        /*
        const 不能被修改 --- 可以修改对象里面或者数组里面的值
        const 也是拥有块级作用域
        */
        // SCHOOL = "不是，学习委员更帅"；
        {
            const BOY = "余光磊";
            console.log(BOY);
        }
        const ZHANGMING = ["张明","男人","穷人"];
        ZHANGMING.push('未婚');
        console.log(ZHANGMING);
    </script>
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